3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one

Basic Information

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CAS Number

15905-32-5

Molecular Formula

C20H8I4O5

Molecular Weight

835.9 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Agricultural Chemicals Pesticides Herbicides

Laboratory Chemicals Research Chemicals Biochemical Reagents

Basic Physical Properties

Melting Point

303℃

Boiling Point

628.3°C at 760 mmHg

Water Solubility

Soluble in water, spirit, methanol, methyl cellosolve and ethanol.

Flash Point

333.8±31.5 °C

Solubility

Insuluble (5.3E-5 g/L) (25 ºC),

Refractive Index

1.972

SMILES

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C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)O)I)I)O)I

InChI

InChI=1S/C20H8I4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H

InChIKey

OALHHIHQOFIMEF-UHFFFAOYSA-N

LogP

6.084200000000002

Topological Polar Surface Area

75.99000000000001 Å²

Hydrogen Bond Donor/Acceptor

2 / 5

Complexity

645

Safety Information

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GHS Hazard Pictograms

H303

Hazard Statement

H303 May be harmful if swallowed
Acute toxicity, oral

Synonyms & References

English

3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
BDBM50542241
Felumin
2,5,7-Erythrosin
Tox21_113464
NSC 328781
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-
SCHEMBL25042
C.I. Solvent Red 140
FD and C Red No. 3
Tetraiodofluorescein
T0124
1A878FZQ9B
Tox21_113464_1
Cogilor orange 211.10
Iodeosin
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-
Fluoresceins
E127
Q420101
ERYTHROSINE J
2,5,7-Tetraiodofluorescein
OALHHIHQOFIMEF-UHFFFAOYSA-N
Erythrosine acid
Trace
E127 Erythrosine
3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one
2,4,5,7-Erythrosin
AS-74205
MLS001332405
SMP2_000049

MDL Number

MFCD00005044

Customs Code

2932999099

FAQ

What are the physical and chemical properties of 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one (CAS: 15905-32-5)?

The compound 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one has a crystalline form with a molecular weight of approximately 644.9 g/mol. It is poorly soluble in water but can dissolve in chloroform and other organic solvents. Chemically, it exhibits high reactivity due to the presence of multiple functional groups and iodine atoms, making it suitable for various chemical reactions.

How is 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one (CAS: 15905-32-5) typically synthesized?

3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one is synthesized through complex multi-step organic reactions including iodination and coupling reactions. Common catalysts include iodine and silver salts, and the process typically achieves a yield of around 70-80%. Detailed synthesis protocols can be found in specialized chemical literature.

What industries use 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one (CAS: 15905-32-5)?

3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one is primarily used in pharmaceutical and analytical chemistry industries due to its unique chemical structure. It may also find applications in the sensor and semiconductor industries for its specific reactivity and functionality.

What precautions should be taken when handling 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one (CAS: 15905-32-5)?

Handling 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one requires strict safety measures. Always wear appropriate personal protective equipment (PPE) such as gloves, lab coat, and safety goggles. Work in a fume hood to minimize exposure. In case of a spill, immediately clean up using appropriate absorbent materials and consult the Safety Data Sheet (SDS) for further guidance.